单项选择题
A. and it is also better B. from the other, and better C. and better than the other D. but also better than others
Gold has been highly prized throughout the ages due chi...
单项选择题Gold has been highly prized throughout the ages due chiefly to（）
A. it is scarce B. so scarce is it C. its scarcity D. scarcity of it
You'll run （）trouble if you don't take care.A. downB. a...
单项选择题You'll run （）trouble if you don't take care.
A. down B. at C. across D. into
（）the knowledge, he didn't know how to ask the way.A. K...
单项选择题（）the knowledge, he didn't know how to ask the way.
A. Knowing not B. Having not known C. Not knowing D. Not to know
